I've just been chasing a portability problem, where a largish third-party program works fine on our suns (ghc-5.02.3), but chokes under cygwin/windows (ghc-5.04). Comes down to an inconsistency in the handling of (trailing?) slashes in Directory.doesDirectoryExist (see a and b below).
Consequence: under cygwin, the program doesn't see the existing directory, tries to create it, and fails (error message doesn't seem to include the file name, btw). Cheers, Claus $ uname -a CYGWIN_98-4.10 VAIO 1.3.10(0.51/3/2) 2002-02-25 11:14 i686 unknown $ ghci ___ ___ _ / _ \ /\ /\/ __(_) / /_\// /_/ / / | | GHC Interactive, version 5.04, for Haskell 98. / /_\\/ __ / /___| | http://www.haskell.org/ghc/ \____/\/ /_/\____/|_| Type :? for help. Loading package base ... linking ... done. Loading package haskell98 ... linking ... done. Prelude> Prelude> Directory.doesDirectoryExist "u" >>= print False Prelude> Directory.createDirectory "u" Prelude> Directory.doesDirectoryExist "u" >>= print True Prelude> Directory.doesDirectoryExist "u/" >>= print -- (a) note this one, compare with b False Prelude> Directory.doesDirectoryExist "u\\" >>= print False Prelude> :q Leaving GHCi. > uname -a SunOS myrtle 5.8 Generic_108528-16 sun4u sparc SUNW,Ultra-4 > ghci ___ ___ _ / _ \ /\ /\/ __(_) / /_\// /_/ / / | | GHC Interactive, version 5.02.3, for Haskell 98. / /_\\/ __ / /___| | http://www.haskell.org/ghc/ \____/\/ /_/\____/|_| Type :? for help. Loading package std ... linking ... done. Prelude> Directory.doesDirectoryExist "u" >>= print False Prelude> Directory.createDirectory "u" Prelude> Directory.doesDirectoryExist "u" >>= print True Prelude> Directory.doesDirectoryExist "u/" >>= print -- (b) note this one, compare with a True Prelude> Directory.doesDirectoryExist "u\\" >>= print False Prelude> :q Leaving GHCi. _______________________________________________ Glasgow-haskell-bugs mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
